Dougal is an Irish and Scottish masculine given name. It is an Anglicised form of the Scottish GaelicDubhghall, or Dùghall. These Gaelic names are composed of the elements: dubh, meaning "black"; and gall, meaning "stranger". The Gaelic names are derived from a byname, said to have referred to a Dane, in contrast to the fairer Norwegians.
Variants of Dougal include: Dugald, and Dugal. A pet form of Dougal is Dougie.